Cascading style sheets are currently the best practice for the layout and styling of a web page. Adobe Dreamweaver CS3 provides several tools that help you create and add CSS functionality. Included in Dreamweaver CS3 are:
There are several free learning tools provided at adobe.com. Their Best Practices of CSS will help you learn more about how Adobe Dreamweaver CS3 supports CSS and will help you in creating and maintaining CSS standards-based designs.
We also provide a CSS learning page - so be sure to explore all these resources.